Wednesday 30 September, 10:00pm - 11:00pmon Blaze (Freeview)

What on Earth?

Name: 9:00pm - Series 3 Episode 15
Start: 2026-09-30T20:00:00Z
End: 2026-09-30T21:00:00Z
Location: Blaze (Freeview)

Series 3 Episode 16: Siberian Hell Pit

A huge chasm appears in a remote part of the Siberian forest. Locals call it to a gate to the underworld. Plus, an island disappears off the face of the planet.

Category: Documentary / Science
Original air date: 07/03/2017

Cast and crew

Steven KearneyNarrator

Upcoming broadcasts

Wednesday 23 September, 9:00pmon Blaze (Freeview)
Series 2 Episode 1
Wednesday 23 September, 10:00pmon Blaze (Freeview)
Series 3 Episode 14
Friday 25 September, 10:00pmon Blaze (Freeview)
Series 2 Episode 1
Friday 25 September, 11:00pmon Blaze (Freeview)
Series 3 Episode 14
Sunday 27 September, 7:00pmon Blaze (Freeview)
Series 7 Episode 3
Wednesday 30 September, 9:00pmon Blaze (Freeview)
Series 3 Episode 15